Answer:
[Below briefly describe on Sample Complaint Letter for Internet Connection not working. You can follow these Complaint letters for bad Internet Service. You can modify this format as your requirement.]
Date…
Authority name…
Internet provider Company name…
Address…
Sub: Complaint about Internet Connection not working
Respected (name),
I am writing this letter to you so that I can register a complaint about the internet connection. As it is running very slow and I am facing regular disturbance. (Show your actual problem and situation).
Kindly send anyone to check my internet connection. Please do this soon I shall be very thankful to you.
Sincerely,
Your name…
Address…
Contact no…